*** This bug is a duplicate of bug 1882162 ***
https://bugs.launchpad.net/bugs/1882162
I have new, interesting case.
Ryzen motherboard with empty NVME slot. I installed Ubuntu to SATA
drive, it worked for several days. I added NVME SSD disk to M.2 NVME
slot on motherboard, disk is empty. After reboot, network interface was
not configured. Reason? Once NVME disk was added, eth interface was
renumbered from enp4s0 to enp5s0 and DHCP client was not started for
enp5s0. I modified /etc/netplan/00-installer-config.yaml file, I
replaced enp4s0 with enp5s0...
$ lspci | grep -i nvme
01:00.0 Non-Volatile memory controller: Sandisk Corp WD Blue SN500 / PC SN520
NVMe SSD (rev 01)
$ lspci | grep -i eth
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411
PCI Express Gigabit Ethernet Controller (rev 15)
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https://bugs.launchpad.net/bugs/1881832
Title:
Ubuntu server 20.04 fails to get IP address from DHCP server (no
network connectivity)
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